2024/03/04(月)Let's Encryptの証明書で古いドメインを削除する

Let's Encryptから古い方のドメインの証明書を更新するよう案内メールが届いた．
このドメインは二度と使うことはないので，削除する．
Rocky Linux 8.9での作業である．

端折っているが，ウェブサーバ等の設定ファイルで“ac206223.ppp.asahi-net.or.jp”が記述されていないかをチェックした方がいいかもしれない．
少なくとも，下の案内文にはその旨書いてある．
[root@server ~]# certbot delete
Saving debug log to /var/log/letsencrypt/letsencrypt.log

Which certificate(s) would you like to delete?
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1: ac206223.ppp.asahi-net.or.jp
2: cshs-small-worlds.aa0.netvolante.jp
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Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel): 1

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The following certificate(s) are selected for deletion:

  * ac206223.ppp.asahi-net.or.jp

WARNING: Before continuing, ensure that the listed certificates are not being
used by any installed server software (e.g. Apache, nginx, mail servers).
Deleting a certificate that is still being used will cause the server software
to stop working. See https://certbot.org/deleting-certs for information on
deleting certificates safely.

Are you sure you want to delete the above certificate(s)?
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(Y)es/(N)o: Y
Deleted all files relating to certificate ac206223.ppp.asahi-net.or.jp.
[root@server ~]# systemctl restart httpd
[root@server ~]#